Sourdough Transfer offers a range of transportation services for military shipments. The company is a part of Sourdough Express, which was established in 1898. Sourdough Express is one of the oldest transportation companies in Alaska. It is a full-service moving and storage company that provides a variety of hauling services for construction materials and mining commodities. The company provides transportation services for equipment, steel products and building supplies. It also offers services for fish, groceries and dry bulk goods. The company specializes in the transportation of less-than-truckload shipments. It provides employee relocation services to clients in the government, corporate and residential sectors. The company maintains a fleet of reefer vans and trailers.